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May Weather in Mullen, United States

Last updated: June 24, 2025

The average temperature in Mullen, United States during May is a mild 13°C (57°F). However, temperatures can range dramatically, with minimums dipping to -4°C (24°F) and maximums soaring up to 33°C (91°F). This month also sees an average precipitation of 129 mm (5.1 in) spread over 13 days, coupled with a relatively high average humidity of 76%. Get ready for a mix of weather conditions!

May Temperature in Mullen

In May in Mullen, the average temperature is 13°C (57°F). Maximum temperatures can reach 33°C (91°F), while minimums can drop as low as -4°C (24°F). It is advisable to pack for both warm and cold conditions when traveling during this month.

May Weather in Mullen: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Mullen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mullen, May typically has an average temperature of 13°C (57°F), with highs reaching up to 33°C (91°F) and lows dropping to around -4°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec272437455670757165473830
Data source: Temperature data for Mullen generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Mullen

In Mullen in May, the precipitation amount is 129 mm (5.1 in) over the course of 13 days.

May Precipitation Trends in Mullen

The chart displays monthly precipitation patterns in Mullen, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Mullen, May typically receives around 129 mm (5.1 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec1624655212964667554472227
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Mullen

In Mullen in May humidity is 76%. With an average temperature of 13°C (57°F), this humidity feels like a damp chill wrapping around you, making travel uncomfortable and prompting a constant need for a light jacket as you navigate through the misty atmosphere.

May Average Humidity in Mullen

This chart illustrates the average monthly humidity levels in Mullen, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Mullen is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec73%80%64%64%76%79%77%79%70%64%75%78%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Mullen

In Mullen in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Mullen.

Maximum UV Index Levels in Mullen for May

The chart shows the monthly maximum UV Index (UVI) for Mullen in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In May, the maximum UV index in Mullen typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3568101111109643
Data source: Mullen May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How May Weather in Mullen Compares to Other Months

Weather in Mullen varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Mullen, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Mullen, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)16 mm (0.6 inches)73%moderate
February Weather-5°C (24°F)24 mm (1.0 inches)80%moderate
March Weather3°C (38°F)65 mm (2.6 inches)64%high
April Weather7°C (45°F)52 mm (2.1 inches)64%very high
May Weather13°C (57°F)129 mm (5.1 inches)76%very high
June Weather21°C (71°F)64 mm (2.5 inches)79%extreme
July Weather24°C (75°F)66 mm (2.6 inches)77%extreme
August Weather22°C (72°F)75 mm (2.9 inches)79%very high
September Weather18°C (65°F)54 mm (2.1 inches)70%very high
October Weather8°C (47°F)47 mm (1.8 inches)64%high
November Weather3°C (38°F)22 mm (0.8 inches)75%moderate
December Weather-1°C (30°F)27 mm (1.1 inches)78%moderate

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